duplicate zoneMobSet additions fixed

src/engine/objects/Mob.java

@@ -806,8 +806,6 @@ public class Mob extends AbstractIntelligenceAgent {
         mob.npcOwner = guardCaptain;
         mob.spawnTime = (int)(-2.500 * guardCaptain.building.getRank() + 22.5) * 60;
         mob.BehaviourType = Enum.MobBehaviourType.GuardMinion;
-        //add mob to zone set of captain
-        guardCaptain.getParentZone().zoneMobSet.add(mob);
         return mob;
     }
 

src/engine/objects/NPC.java

@@ -984,9 +984,6 @@ public class NPC extends AbstractCharacter {
 				(short) 1, (short) 1, (short) 1, guild, (byte) 0, 0, isMob, building, contractID, parent);
 
 		npcWithoutID.setLevel(level);
-		if (parent != null) {
-			npcWithoutID.setRelPos(parent, spawn.x - parent.absX, spawn.y - parent.absY, spawn.z - parent.absZ);
-		}
 
 		if (npcWithoutID.mobBase == null) {
 			return null;